from tkinter import *

OPTIONS=[
    "frfrg",
    "aswf",
    "232",
    "ded",
    "frfjjjkk"
    ]

root=Tk()

variable=StringVar()
variable.set(OPTIONS[0])
# *OPTIONS加*号表示打包，没有加*不能打包
w=OptionMenu(root,variable,*OPTIONS)
w.pack()

mainloop()
